Get the RF Source Qualification White Paper
A weak receiver response near a strong carrier can disappear beneath noise introduced by the test setup. An unexpected spur can originate in the stimulus, and an apparent sensitivity change can result from an unverified input level.
This white paper covers continuous-wave (CW) RF source qualification for radar receivers and test systems supporting electromagnetic spectrum operations (EMSO). It focuses on source noise, receiver blocking, local oscillator (LO) substitution, delivered power, and two-stimulus control.
- Map phase noise, amplitude modulation (AM) noise, broadband noise, and spurs to your observation band.
- Substitute a cleaner source or characterized filter to test whether source noise limits the measurement.
- Separate blocker-source noise from receiver reciprocal mixing, compression, and gain-control behavior.
- Build a path power budget, then verify power and spectrum at the device under test (DUT) reference plane.
- Characterize both RF paths and verify isolation in dual-stimulus setups.
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